1 | /*****************************************************************************/ |
2 | /* */ |
3 | /* opcdesc.h */ |
4 | /* */ |
5 | /* Disassembler description for one opcode */ |
6 | /* */ |
7 | /* */ |
8 | /* */ |
9 | /* (C) 2000-2003 Ullrich von Bassewitz */ |
10 | /* Römerstrasse 52 */ |
11 | /* D-70794 Filderstadt */ |
12 | /* EMail: uz@cc65.org */ |
13 | /* */ |
14 | /* */ |
15 | /* This software is provided 'as-is', without any expressed or implied */ |
16 | /* warranty. In no event will the authors be held liable for any damages */ |
17 | /* arising from the use of this software. */ |
18 | /* */ |
19 | /* Permission is granted to anyone to use this software for any purpose, */ |
20 | /* including commercial applications, and to alter it and redistribute it */ |
21 | /* freely, subject to the following restrictions: */ |
22 | /* */ |
23 | /* 1. The origin of this software must not be misrepresented; you must not */ |
24 | /* claim that you wrote the original software. If you use this software */ |
25 | /* in a product, an acknowledgment in the product documentation would be */ |
26 | /* appreciated but is not required. */ |
27 | /* 2. Altered source versions must be plainly marked as such, and must not */ |
28 | /* be misrepresented as being the original software. */ |
29 | /* 3. This notice may not be removed or altered from any source */ |
30 | /* distribution. */ |
31 | /* */ |
32 | /*****************************************************************************/ |
33 | |
34 | |
35 | |
36 | #ifndef OPCDESC_H |
37 | #define OPCDESC_H |
38 | |
39 | |
40 | |
41 | /*****************************************************************************/ |
42 | /* Data */ |
43 | /*****************************************************************************/ |
44 | |
45 | |
46 | |
47 | /* Constants for Flags */ |
48 | enum { |
49 | flNone = 0x00, /* No flags given */ |
50 | flNoLabel = 0x00, /* Don't use a label */ |
51 | flGenLabel = 0x01, /* Generate a label */ |
52 | flUseLabel = 0x02, /* Use a label if there is one */ |
53 | flLabel = flUseLabel|flGenLabel, /* Generate and use a label */ |
54 | flIllegal = 0x10, /* Illegal instruction */ |
55 | flAbsOverride = 0x20, /* Need a: override */ |
56 | flFarOverride = 0x40 /* Need f: override */ |
57 | }; |
58 | |
59 | /* Forward/typedef for struct OpcDesc */ |
60 | typedef struct OpcDesc OpcDesc; |
61 | |
62 | /* Type of pointer to a function that handles opcode output */ |
63 | typedef void (*OpcHandler) (const OpcDesc*); |
64 | |
65 | /* Description for one opcode */ |
66 | struct OpcDesc { |
67 | char Mnemo [6]; /* Mnemonic */ |
68 | unsigned char Size; /* Size of this command */ |
69 | unsigned char Flags; /* Flags */ |
70 | OpcHandler Handler; /* Handler routine */ |
71 | }; |
72 | |
73 | |
74 | |
75 | /* End of opcdesc.h */ |
76 | |
77 | #endif |
78 | |